1. Department of General Surgery, General Hospital of Thessaloniki “Agios Dimitrios”, Thessaloniki, Greece
2. Department of General Surgery, General Hospital of Thessaloniki “Agios Dimitrios", Thessaloniki, Greece
3. Department of Urology, General Hospital of Thessaloniki “Agios Dimitrios", Thessaloniki, Greece
4. Department of Nutritional Sciences and Dietetics, International Hellenic University, Thessaloniki, Greece